OpenTechnical

OT-2026-000066528

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000066528) never changes.

Identity and time

Publication numberOT-2026-000066528 · never reused
Internal UUID01a0ae8e-ce41-7159-8ba0-94b399c898a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066528
StatusPUBLIC

Content hashes

Canonical textf580a0e8bbeaad4c452733234f3debe5ec4b43fc5a1d24c279b62f174429b18d
Markdown7a6cf1d453f319c8fc2e28d6c199201bc66e36ed037e2d5dd9b40446e59dedcb
PDF
Publication page9d73af8116a359e8db9c78d3596deb642d2b8359ca77bd0bc4b07fb1ecba4e12
Manifestc62284c9ea9dde2b0ff11848517907e6c5e654e3e75b2d910ce0d2a883c0ad49

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureD2WiuKvJ5SB9V3C4zBg1yWQLdb73IuEgoNzLrdPg7POprSdEvRwy3A0+FQ4m0nFQod2NPO9IXf03I1wp3P1xAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:47.504581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066528
observed 9d73af8116a359e8db9c78d3596deb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.488713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066528/manifest.json
observed c62284c9ea9dde2b0ff11848517907e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.470430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066528/publication.md
observed 7a6cf1d453f319c8fc2e28d6c199201b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.454600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066528/publication.txt
observed f580a0e8bbeaad4c452733234f3debe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.